【鼠】安卓学习杂记（二十八）——Android动画之帧动画

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:gravity="center"
    tools:context=".MainActivity">

    <ImageView
        android:id="@+id/iv1"
        android:layout_width="300dp"
        android:layout_height="300dp"/>

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<animation-list xmlns:android="http://schemas.android.com/apk/res/android"
    android:oneshot="false">
    <item android:drawable="@drawable/a1" android:duration="100" />
    <item android:drawable="@drawable/a2" android:duration="100" />
    <item android:drawable="@drawable/a3" android:duration="100" />
    <item android:drawable="@drawable/a4" android:duration="100" />
    <item android:drawable="@drawable/a5" android:duration="100" />
    <item android:drawable="@drawable/a6" android:duration="100" />
    <item android:drawable="@drawable/a7" android:duration="100" />
    <item android:drawable="@drawable/a8" android:duration="100" />
    <item android:drawable="@drawable/a9" android:duration="100" />
    <item android:drawable="@drawable/a10" android:duration="100" />
</animation-list>

package com.example.administrator.app_animation;

import android.graphics.drawable.AnimationDrawable;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ImageView;

public class MainActivity extends AppCompatActivity {
    ImageView iv1;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        iv1 = findViewById(R.id.iv1);
        //把帧动画的资源文件指定为iv的背景
        iv1.setBackgroundResource(R.drawable.my_animation);
        //获取iv的背景
        AnimationDrawable ad = (AnimationDrawable) iv1.getBackground();
        ad.start();
    }
}